Acronyms

Commonly-used
Acronyms

CALL Computer Assisted Language Learning
EFL English as a Foreign Language
ELT English Language Teaching / Training
ESL English as a Second Language
ESOL English to Speakers of Other Languages
L1 "Language 1" the student's native (primary or first acquired) language.
L2 "Language 2" the language being learned or studied
TEFL Teaching English as a Foreign Language
TOEFL Test of English as a Foreign Language
TESL Teaching English as a Second Language
TESOL Teaching English to Speakers of Other Languages


Notes:
ESL and EFL are often used interchangeably. This acronym is an attempt to make a generic term and then assign more limited meanings to ESL and EFL.
TESOL is also the name of an association